325787040 has 72 divisors (see below), whose sum is σ = 1111753188. Its totient is φ = 86876160.

The previous prime is 325787039. The next prime is 325787041. The reversal of 325787040 is 40787523.

It is an interprime number because it is at equal distance from previous prime (325787039) and next prime (325787041).

It can be written as a sum of positive squares in 2 ways, for example, as 324432144 + 1354896 = 18012^2 + 1164^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×325787040² = 212274390863923200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 325786986 and 325787004.

It is not an unprimeable number, because it can be changed into a prime (325787041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111681 + ... + 114560.

Almost surely, 2^325787040 is an apocalyptic number.

325787040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325787040 is an abundant number, since it is smaller than the sum of its proper divisors (785966148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325787040 is a wasteful number, since it uses less digits than its factorization.

325787040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226262 (or 226251 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 325787040 is about 18049.5717400718. The cubic root of 325787040 is about 688.0889780360.

The spelling of 325787040 in words is "three hundred twenty-five million, seven hundred eighty-seven thousand, forty".